Journal Article

Imaging spatial and cellular characteristics of low temperature calcium signature after cold acclimation in <i>Arabidopsis</i>

Heather Knight and Marc R. Knight

in Journal of Experimental Botany

Published on behalf of Society for Experimental Biology

Volume 51, issue 351, pages 1679-1686
Published in print October 2000 | ISSN: 0022-0957
Published online October 2000 | e-ISSN: 1460-2431 | DOI: http://dx.doi.org/10.1093/jexbot/51.351.1679
Imaging spatial and cellular characteristics of low temperature calcium signature after cold acclimation in Arabidopsis

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Cooling‐induced ‘calcium signatures’ were imaged in aequorin‐expressing Arabidopsis plants after cold acclimation or growth at ambient temperature. In all tissues, signatures were altered after acclimation. Characterization of the components generating this response indicates that cold acclimation increases cold‐induced vacuolar Ca2+ release, but does not affect the influx of extracellular calcium.

Keywords: Calcium signature; cold acclimation; aequorin; vacuole; Arabidopsis.

Journal Article.  5271 words.  Illustrated.

Subjects: Plant Sciences and Forestry

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